Title :
High precision over current detection for a high side switch
Author :
Ana-Maria Luca;Ioan-Alexandru Tranca;Andrei Danchiv
Author_Institution :
Infineon Technologies Romania, Bld. Dimitrie Pompeiu no. 6, Bucharest, Romania
Abstract :
This paper presents a precision over current protective function integrated in a high side power switch. The accuracy improvement is based on using a low offset, autozero amplifier for providing the same bias conditions for both the power and the sense transistors.
Keywords :
"Switches","Protection","Circuit topology","Current measurement","Threshold voltage","Resistors","Protective relaying","Robust control","Integrated circuit measurements","Switching circuits"
Conference_Titel :
Semiconductor Conference, 2008. CAS 2008. International
Print_ISBN :
978-1-4244-2004-9
Electronic_ISBN :
2377-0678
DOI :
10.1109/SMICND.2008.4703433